#define NV_RX_DESCRIPTORVALID  (1<<16)
 #define NV_RX_MISSEDFRAME      (1<<17)
-#define NV_RX_SUBSTRACT1       (1<<18)
+#define NV_RX_SUBTRACT1                (1<<18)
 #define NV_RX_ERROR1           (1<<23)
 #define NV_RX_ERROR2           (1<<24)
 #define NV_RX_ERROR3           (1<<25)
 #define NV_RX2_CHECKSUM_IP_TCP (0x14000000)
 #define NV_RX2_CHECKSUM_IP_UDP (0x18000000)
 #define NV_RX2_DESCRIPTORVALID (1<<29)
-#define NV_RX2_SUBSTRACT1      (1<<25)
+#define NV_RX2_SUBTRACT1       (1<<25)
 #define NV_RX2_ERROR1          (1<<18)
 #define NV_RX2_ERROR2          (1<<19)
 #define NV_RX2_ERROR3          (1<<20)
                                        }
                                        /* framing errors are soft errors */
                                        else if ((flags & NV_RX_ERROR_MASK) == NV_RX_FRAMINGERR) {
-                                               if (flags & NV_RX_SUBSTRACT1)
+                                               if (flags & NV_RX_SUBTRACT1)
                                                        len--;
                                        }
                                        /* the rest are hard errors */
                                        }
                                        /* framing errors are soft errors */
                                        else if ((flags & NV_RX2_ERROR_MASK) == NV_RX2_FRAMINGERR) {
-                                               if (flags & NV_RX2_SUBSTRACT1)
+                                               if (flags & NV_RX2_SUBTRACT1)
                                                        len--;
                                        }
                                        /* the rest are hard errors */
                                }
                                /* framing errors are soft errors */
                                else if ((flags & NV_RX2_ERROR_MASK) == NV_RX2_FRAMINGERR) {
-                                       if (flags & NV_RX2_SUBSTRACT1)
+                                       if (flags & NV_RX2_SUBTRACT1)
                                                len--;
                                }
                                /* the rest are hard errors */